{"status": "success", "data": {"description_md": "A bug starts at one vertex of a cube and moves along the edges of the cube according to the following rule. At each vertex the bug will choose to travel along one of the three edges emanating from that vertex. Each edge has equal probability of being chosen, and all choices are independent. What is the probability that after seven moves the bug will have visited every vertex exactly once?\n\n$\\mathrm{(A) \\ } \\frac{1}{2187}\\qquad \\mathrm{(B) \\ } \\frac{1}{729}\\qquad \\mathrm{(C) \\ } \\frac{2}{243}\\qquad \\mathrm{(D) \\ } \\frac{1}{81}\\qquad \\mathrm{(E) \\ }  \\frac{5}{243}$\n___\nFull credit goes to [MAA](https://maa.org/) for authoring these problems. These problems were taken on the [AOPS](https://artofproblemsolving.com/) website.", "description_html": "<p>A bug starts at one vertex of a cube and moves along the edges of the cube according to the following rule. At each vertex the bug will choose to travel along one of the three edges emanating from that vertex. Each edge has equal probability of being chosen, and all choices are independent. What is the probability that after seven moves the bug will have visited every vertex exactly once?</p>&#10;<p> <span class=\"katex--inline\">\\mathrm{(A) \\ } \\frac{1}{2187}\\qquad \\mathrm{(B) \\ } \\frac{1}{729}\\qquad \\mathrm{(C) \\ } \\frac{2}{243}\\qquad \\mathrm{(D) \\ } \\frac{1}{81}\\qquad \\mathrm{(E) \\ }  \\frac{5}{243}</span> </p>&#10;<hr><p>Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 3, "problem_name": "2006 AMC 12A Problem 20", "can_next": true, "can_prev": true, "nxt": "/problem/06_amc12A_p21", "prev": "/problem/06_amc12A_p19"}}